It is better, Professor Roberts perspicaciously suggests, to make Social Security and Medicare a safety net program for the people who really need it, and let richer Americans who can afford it handle their own retirements.

For over a decade or more she has perspicaciously and relentlessly addressed the alarming developments in policing across the board, particularly on the subject of drug abuse and its pernicious role in the cultural decline of the West in general and the UK in particular.

In many religious gatherings, to openly and perspicaciously question a fundamental assumption would be an embarrassment met with scorn; the questioner patted on the head and told that the questions are endearing but a sign of naïveté.

But the nineteenth-century terrorists, so perspicaciously depicted by Dostoevsky in The Possessed, terrible as they were, had a certain ethics: they paid with their own lives for taking the lives of their enemies.